<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			function check1(){
				let reg = /^[A-z]\w{2,14}$/
				let username = document.getElementById("username").value
				if(reg.test(username)){
					document.getElementById("note1").innerHTML = "ok"
				}
				else{
					document.getElementById("note1").innerHTML = "error"
				}
			}
			function check2(){
				let reg = /^1\d{10}$/
				let phone1 = document.getElementById("phone1").value
				if(reg.test(phone)){
					document.getElementById("note2").innerHTML = "ok"
				}
				else{
					document.getElementById("note2").innerHTML = "error"
				}
			}
			function check3(){
				let reg = /(^0\d{2}-?\d{8}$)|(^0\d{3}-?\d{7}$)/
				let phone2 = document.getElementById("phone2").value
				if(reg.test(phone2)){
					document.getElementById("note3").innerHTML = "ok"
				}
				else{
					document.getElementById("note3").innerHTML = "error"
				}
				}
			function check4(){
				let reg = /^(([1-9]\d{0,14})|0)(\.\d{1,2})?$/
				let money = document.getElementById("money").value
				if(reg.test(money)){
					document.getElementById("note4").innerHTML = "ok"
				}
				else{
					document.getElementById("note4").innerHTML = "error"
				}
				
			}
		</script>
	</head>
	<body>
		输入用户昵称：<input type="text" id="username">
		<button type="button" onclick="check1()">检测</button>
		<span id="note1"></span><br>
		输入手机号码：<input type="text" id="phone1">
		<button type="button" onclick="check2()">检测</button>
		<span id="note2"></span><br>
		输入座机号码：<input type="text" id="phone2">
		<button type="button" onclick="check3()">检测</button>
		<span id="note3"></span><br>
		输入存款金额：<input type="text" id="money">
		<button type="button" onclick="check4()">检测</button>
		<span id="note4"></span><br>
	</body>
</html>
